Home / 190,336.21-262,653.92-108,661.23

Finding the Fourth Proportional to 190,336.21, 262,653.92 and 108,661.23

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Solution

The fourth proportional to 190,336.21, 262,653.92 and 108,661.23 is: 149,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,336.21 : 262,653.92 = 108,661.23 : x
  2. Step 2: Convert to fraction form
    190,336.21/262,653.92 = 108,661.23/x
  3. Step 3: Cross multiply
    190,336.21x = 262,653.92 × 108,661.23
  4. Step 4: Simplify right side
    190,336.21x = 28,540,297,570.09
  5. Step 5: Solve for x
    x = 28,540,297,570.09/190,336.21
  6. Step 6: Final answer
    x = 149,946.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.